1,615,402

2 × 61 × 13241

1,615,402 has digital root 1. The neighboring primes are 1615363 and 1615403; its proper-divisor sum differs from the starting integer by -767,792.

Prime Factor Structure

Factorization String 2 × 61 × 13241

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,463,012

Proper Divisor Sum 847,610

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1615363 ← → #1615403

Radix Representation

Decimal	1615402
Binary	110001010011000101010 (21 bits)
Octal	0o6123052
Hexadecimal	0x18A62A

Divisor Catalog (8)

1 2 61 122 13,241 26,482 807,701 1,615,402

Collatz Trajectory (70 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

1,615,402 807,701 2,423,104 1,211,552 605,776 302,888 151,444 75,722 37,861 113,584 56,792 28,396 14,198 7,099 21,298 10,649 31,948 15,974 7,987 23,962 11,981 35,944 17,972 8,986 4,493 13,480 6,740 3,370 1,685 5,056 2,528 1,264 632 316 158 79 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52

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